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GE TPHE277Y10PP
- Product Name: GE Tranquell Type 2 Transient Voltage Surge Suppressor (TVSS)
- Product Introduction: The TPHE277Y10PP is a Type 2 surge protection device from GE’s Tranquell product line (GE/ABB Tranquell), designed for continuous connection in the load side of the main service disconnect to protect electrical equipment from damaging power surges and voltage spikes.
Detailed content
- Technical Specifications:
- Voltage: 277/480 V, 3-Phase, WYE configuration, 60 Hz
- Nominal Discharge Rating (In): 20 kA
- Short-Circuit Current Rating (SCCR): 200,000 A rms
- Maximum Continuous Operating Voltage (MCOV): L-N/G = 320 V
- Voltage Protection Rating (VPR): 1500 L-N, 1200 L-G, 1200 N-G, 2000 L-L
- Type: Type 2 SPD (per UL 1449)
- Per-mode surge rating: 100 kA per mode
- Functional Features:
- Transient voltage suppression (TVSS) technology diverts excess voltage away from sensitive equipment
- Multi-mode protection (normal and common mode)
- UL Listed for stringent safety compliance
- High-energy absorption up to 100,000 A per mode
- Application Scenarios: Industrial and commercial electrical distribution; manufacturing facilities; data centers; healthcare institutions; telecommunication systems; any 277/480 V 3-phase WYE installation requiring surge protection
- Installation Requirements:
- Install on the load side of the main service disconnect
- Connect L-N/G MCOV at 320 V per phase
- Ensure system SCCR is coordinated with the 200,000 A rms rating
- Follow NEC Article 285 for Type 2 SPD installation
- Usage Notes:
- Must be properly grounded to the system grounding electrode conductor
- Verify the VPR values meet the protected equipment’s immunity requirements
- Routine inspection of the TVSS status indicators is recommended to confirm continued protection readiness
